GB2087656B - Miniaturized transformer construction - Google Patents

Miniaturized transformer construction

Info

Publication number
GB2087656B
GB2087656B GB8133007A GB8133007A GB2087656B GB 2087656 B GB2087656 B GB 2087656B GB 8133007 A GB8133007 A GB 8133007A GB 8133007 A GB8133007 A GB 8133007A GB 2087656 B GB2087656 B GB 2087656B
Authority
GB
United Kingdom
Prior art keywords
transformer construction
miniaturized transformer
miniaturized
construction
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8133007A
Other languages
English (en)
Other versions
GB2087656A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Analog Devices Inc
Original Assignee
Analog Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Analog Devices Inc filed Critical Analog Devices Inc
Publication of GB2087656A publication Critical patent/GB2087656A/en
Application granted granted Critical
Publication of GB2087656B publication Critical patent/GB2087656B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
    • H01F2019/085—Transformer for galvanic isolation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/09—Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092—Dispersed materials, e.g. conductive pastes or inks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • H05K3/4664—Adding a circuit layer by thick film methods, e.g. printing techniques or by other techniques for making conductive patterns by using pastes, inks or powders

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
GB8133007A 1980-11-14 1981-11-02 Miniaturized transformer construction Expired GB2087656B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20683880A 1980-11-14 1980-11-14

Publications (2)

Publication Number Publication Date
GB2087656A GB2087656A (en) 1982-05-26
GB2087656B true GB2087656B (en) 1983-09-28

Family

ID=22768186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8133007A Expired GB2087656B (en) 1980-11-14 1981-11-02 Miniaturized transformer construction

Country Status (6)

Country Link
JP (1) JPS57111008A (enrdf_load_stackoverflow)
CA (1) CA1177127A (enrdf_load_stackoverflow)
DE (1) DE3144026A1 (enrdf_load_stackoverflow)
FR (1) FR2494490A1 (enrdf_load_stackoverflow)
GB (1) GB2087656B (enrdf_load_stackoverflow)
NL (1) NL8105144A (enrdf_load_stackoverflow)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6174311A (ja) * 1984-09-20 1986-04-16 Kangiyou Denki Kiki Kk 積層配線体から成るコイルを有するトランス
JPS6175510A (ja) * 1984-09-21 1986-04-17 Kangiyou Denki Kiki Kk 小形トランス
US4692604A (en) * 1984-10-25 1987-09-08 American Telephone And Telegraph Company, At&T Bell Laboratories Flexible inductor
JPS6176939U (enrdf_load_stackoverflow) * 1984-10-26 1986-05-23
GB2173956B (en) * 1985-03-29 1989-01-05 Plessey Co Plc Improvements relating to electric transformers
JPH0624985Y2 (ja) * 1985-09-06 1994-06-29 株式会社ト−キン 薄形トランス
JPH01205509A (ja) * 1987-12-02 1989-08-17 John Fluke Mfg Co Inc 高周波電力変成器
JPH0289302A (ja) * 1988-09-27 1990-03-29 Matsushita Electric Ind Co Ltd コイル及びその製造方法
JPH0289301A (ja) * 1988-09-27 1990-03-29 Matsushita Electric Ind Co Ltd コイル及びその製造方法
EP0402880B1 (en) * 1989-06-16 1994-08-24 Matsushita Electric Industrial Co., Ltd. Method for manufacturing multiturn thin film coil
DE9114783U1 (de) * 1990-03-30 1992-03-19 Multisource Technology Corp., Waltham, Mass. Flachform-Planar-Transformator zur Verwendung in Offline-Schaltnetzteilen
KR960006848B1 (ko) 1990-05-31 1996-05-23 가부시끼가이샤 도시바 평면형 자기소자
GB2252208B (en) * 1991-01-24 1995-05-03 Burr Brown Corp Hybrid integrated circuit planar transformer
JP3141562B2 (ja) * 1992-05-27 2001-03-05 富士電機株式会社 薄膜トランス装置
DE4244107C2 (de) * 1992-12-24 1996-02-08 Hirschmann Richard Gmbh Co Hochfrequenz-Übertrager
TW436823B (en) * 1994-06-29 2001-05-28 Yokogawa Electric Corp Prited coil type transformer
US5754088A (en) * 1994-11-17 1998-05-19 International Business Machines Corporation Planar transformer and method of manufacture
GB9424349D0 (en) 1994-12-02 1995-01-18 Measurement Tech Ltd Transformers
DE19853510A1 (de) 1998-11-20 2000-05-25 Thomson Brandt Gmbh Netzfilter
EP1319234B1 (en) * 2000-09-20 2008-12-17 DET International Holding Limited Planar inductive element
JP7272357B2 (ja) * 2018-06-08 2023-05-12 Tdk株式会社 コイル部品及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431144A (en) * 1963-12-26 1969-03-04 Nippon Electric Co Method for manufacturing microminiature coils
US3483499A (en) * 1968-08-08 1969-12-09 Bourns Inc Inductive device
US3772587A (en) * 1972-03-15 1973-11-13 Inductosyn Corp Position measuring transformer
JPS622733Y2 (enrdf_load_stackoverflow) * 1978-09-11 1987-01-22

Also Published As

Publication number Publication date
JPS57111008A (en) 1982-07-10
FR2494490A1 (fr) 1982-05-21
CA1177127A (en) 1984-10-30
FR2494490B1 (enrdf_load_stackoverflow) 1985-01-18
DE3144026A1 (de) 1982-06-24
NL8105144A (nl) 1982-06-01
GB2087656A (en) 1982-05-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee